Energy transformations Teacher’s notes. This activity shows a set of three incomplete energy transformation diagrams, each accompanied by a choice of energy types that could be used to complete the diagram. - PowerPoint PPT Presentation
www.bp.com/bpes/cft2009 Carbon Footprint Toolkit Energy transformations Teacher’s notes This activity shows a set of three incomplete energy transformation diagrams, each accompanied by a choice of energy types that could be used to complete the diagram. This is a teacher-led class activity requiring guidance from the teacher and class discussion about how the diagrams should be completed. You may like to ask students to jot down the answers they think are right before you reveal the correct answer.
Transcript
www.bp.com/bpes/cft2009Carbon Footprint Toolkit
Energy transformationsTeacher’s notes
This activity shows a set of three incomplete energy transformation diagrams, each accompanied by a choice of energy types that could be used to complete the diagram.
This is a teacher-led class activity requiring guidance from the teacher and class discussion about how the diagrams should be completed.
You may like to ask students to jot down the answers they think are right before you reveal the correct answer.
www.bp.com/bpes/cft2009Carbon Footprint Toolkit
Energy transformations
www.bp.com/bpes/cft2009Carbon Footprint Toolkit
Energy transformations
Where does the energy we use actually come from?
In the following activity you will be shown some incomplete energy transformation diagrams.
Choose the correct phrases from the bottom of the screen to fill in the gaps.
www.bp.com/bpes/cft2009Carbon Footprint Toolkit
Choose which types of energy need to go in the empty boxes to complete the energy transformation diagram.
Coal fired electricity generation
? ?Chemical potential
energy in buried coal
?Kinetic energy of
high pressuresteam
Kinetic energy of spinning turbine
a. Elastic potential energy of a rubber
band
b. Light energy from the sun
c. Kinetic energy of the wind
d. Chemical potential energy
in living plants
f. Gravitationalpotential energy
Electrical energy
e. Thermal (heat)energy fromburning coal
www.bp.com/bpes/cft2009Carbon Footprint Toolkit
Coal fired electricity generation
Did you get it right?
? ?Chemical potential
energy in buried coal
?Kinetic energy of
high pressuresteam
Kinetic energy of spinning turbine
b. Light energy from the sun
c. Kinetic energy of the wind
Electrical energy
e. Thermal (heat)energy fromburning coal
a. Elastic potential energy of a rubber
band
d. Chemical potential energy
in living plants
f. Gravitationalpotential energy
www.bp.com/bpes/cft2009Carbon Footprint Toolkit
Choose which types of energy need to go in the empty boxes to complete the energy transformation diagram
Solar photovoltaic (PV) panels
Light energy fromthe sun ?
a. Elastic potential energy of a rubber
band
e. Electrical energyf. Kinetic energy of
the windg. Chemical
potential energy in living plants
d. Gravitationalpotential energy
c. Thermal (heat)energy from the
burning coal
b. Nuclear energy
Solar photovoltaic (PV) panels
Light energy fromthe sun ?e. Electrical energy
Did you get it right?
a. Elastic potential energy of a rubber
band
f. Kinetic energy of the wind
g. Chemical potential energy
in living plants
d. Gravitationalpotential energy
c. Thermal (heat)energy from the
burning coal
b. Nuclear energy
www.bp.com/bpes/cft2009Carbon Footprint Toolkit
www.bp.com/bpes/cft2009Carbon Footprint Toolkit
Choose which types of energy need to go in the empty boxes to complete the energy transformation diagram
?
Wind power
Kinetic energy ofturbine and generator
?
e. Chemical potential energy of organic matter
?
f. Nuclear energy
c. Sound energy of the wind
b. Gravitational potential energy
?Thermal (heat)energy from the sun
a. Kinetic energy of the wind
d. Electrical energy
www.bp.com/bpes/cft2009Carbon Footprint Toolkit
?
Wind power
Kinetic energy ofTurbine and
generator?
a. Kinetic energy of the wind
Did you get it right?
d. Electrical energyThermal (heat)energy from the sun
e. Chemical potential energy of organic matter
f. Nuclear energy
c. Sound energy of the wind
b. Gravitational potential energy
www.bp.com/bpes/cft2009Carbon Footprint Toolkit
Sun power
Did you notice that all three methods of generating electricity shown on the previous slides use energy which first came from the Sun?
In fact, most of the energy we use first came from the Sun. Take a look at the list of energy resources below and see if you can figure out which ones didn’t first start with energy from the Sun.
a. Wave powergenerators
b. Biomass power stations
c. Oil-fired powerstations
g. Hydroelectricpower stations
f. Gas-fired powerstations
d. Geothermalborehole energy
e. Nuclear powerstations
www.bp.com/bpes/cft2009Carbon Footprint Toolkit
Sun power
You might be surprised that only two of these methods of generating electricity do not rely on the energy for the Sun.
Have a go at drawing your own energy transformations diagrams for them.
